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1441407 = 311311409
BaseRepresentation
bin101011111111001111111
32201020020110
411133321333
5332111112
650521103
715152232
oct5377177
92636213
101441407
118a4a50
12596193
133b6106
14297419
151d713c
hex15fe7f

1441407 has 16 divisors (see below), whose sum is σ = 2165760. Its totient is φ = 844800.

The previous prime is 1441381. The next prime is 1441411. The reversal of 1441407 is 7041441.

It is not a de Polignac number, because 1441407 - 26 = 1441343 is a prime.

1441407 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1441007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 319 + ... + 1727.

It is an arithmetic number, because the mean of its divisors is an integer number (135360).

21441407 is an apocalyptic number.

1441407 is a deficient number, since it is larger than the sum of its proper divisors (724353).

1441407 is a wasteful number, since it uses less digits than its factorization.

1441407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1454.

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 1441407 is about 1200.5861068661. The cubic root of 1441407 is about 112.9610903184.

Adding to 1441407 its reverse (7041441), we get a palindrome (8482848).

It can be divided in two parts, 144 and 1407, that added together give a palindrome (1551).

The spelling of 1441407 in words is "one million, four hundred forty-one thousand, four hundred seven".

Divisors: 1 3 11 31 33 93 341 1023 1409 4227 15499 43679 46497 131037 480469 1441407